The WSJ is probably thinking about the supersonic bizjets being proposed for the 1%.[1] Bizjet passengers get to bypass the main TSA lines.
(Well, more like the 0.01%. Aereon's proposed price is $110 million for a 12 passenger supersonic aircraft. It's only Mach 1.6, while Concorde was over Mach 2. If you have to ask about operating cost, you can't afford it.)